21204

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:60

約数の個数: 36

約数和(自身を含む): 58240

約数和(自身を除く): 37036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 1116, 1178, 1767, 2356, 3534, 5301, 7068, 10602, 21204]

約数ペア:

[(1, 21204), (2, 10602), (3, 7068), (4, 5301), (6, 3534), (9, 2356), (12, 1767), (18, 1178), (19, 1116), (31, 684), (36, 589), (38, 558), (57, 372), (62, 342), (76, 279), (93, 228), (114, 186), (124, 171)]